﻿///////////////////////////////////////////////////////////////////////////////
//
// This file is part of the BassDrop project
//   https://code.google.com/p/bass-drop/
//
//
// Creator:	Gergely Krajcsovszki (krajcsovszkig@hotmail.com)
// Date:	2014-04-29 19:55
//
//
// Copyright © 2013-2014. Gergely Krajcsovszki
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////////////
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;

namespace BassDrop.Core.Common.General.Events
{
	/// <summary>
	/// Event args class for changes to the inner state of items in collections
	/// </summary>
	public class CollectionItemChangedEventArgs : EventArgs
	{
		/// <summary>
		/// The changed item in its current state
		/// </summary>
		public object Item
		{
			get;
			private set;
		}

		/// <summary>
		/// The index where the changed item is now
		/// </summary>
		public int Index
		{
			get;
			private set;
		}

		/// <summary>
		/// If this event was fired because of a property changed event, this contains that event
		/// </summary>
		public PropertyChangedEventArgs PropertyChangedEventArgs
		{
			get;
			private set;
		}

		/// <summary>
		/// Constructs a new CollectionItemChangedEventArgs with the passed data.
		/// </summary>
		/// <param name="item">The changed item in its current state</param>
		/// <param name="index">The index where the changed item is now</param>
		/// <param name="propertyChangedEventArgs">the property changed event this one was fired for</param>
		public CollectionItemChangedEventArgs( object item, int index, PropertyChangedEventArgs propertyChangedEventArgs = null )
		{
			Item = item;
			Index = index;
			PropertyChangedEventArgs = propertyChangedEventArgs;
		}
	}
}
